将DataTable 导入Excel并打印

using System;

using System.Collections.Generic;

using System.Text;

using System.Data;

namespace Personal

{

public class Print

{

/// <summary>

/// 将DataTabl内容打印出来

/// Table 表， strHead 表名，Zoom 缩放比%

/// </summary>

private void baobiao(DataTable Table, string strHead, sbyte Zoom)

{

try

{

Excel.Application excelKccx = new Excel.Application();     //创建excel对象

Excel._Workbook xBk;

Excel._Worksheet xSt;

xBk = excelKccx.Workbooks.Add(true);

xSt = (Excel._Worksheet)xBk.ActiveSheet;

Excel.Range range = xSt.get_Range(excelKccx.Cells[1, 1], excelKccx.Cells[1, 22]);

range.ClearContents();//先把Range内容清除，合并才不会出错

range.MergeCells = true;

range.Value2 = strHead;//"普通医保住院定额超支管理报表(一般住院)";

range.Font.Bold = true;

range.Font.Size = 15;

range.Font.ColorIndex = 4;//颜色

range.HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter; //设置标题格式为居中对齐

//  设置表头

int row = 2;

for (int i = 0; i < Table.Columns.Count; i++)//取字段名

{

excelKccx.Cells[row, i + 1] = Table.Columns[i].ColumnName.ToString();

xSt.get_Range(excelKccx.Cells[row, i + 1], excelKccx.Cells[row, i + 1]).Interior.ColorIndex = 5;

}

xSt.get_Range(excelKccx.Cells[row, 1], excelKccx.Cells[row, Table.Columns.Count]).EntireColumn.AutoFit();//自动调整列宽

xSt.get_Range(excelKccx.Cells[row, 1], excelKccx.Cells[row, Table.Columns.Count]).Font.Bold = true;

for (int i = 0; i < Table.Rows.Count; i++)//取记录值

{

row++;

for (int j = 0; j < Table.Columns.Count; j++)

{

excelKccx.Cells[row, j + 1] = Table.Rows[i][j].ToString();

}

}

excelKccx.Visible = true;

object oMissing = System.Reflection.Missing.Value;

xSt.PageSetup.PaperSize = Excel.XlPaperSize.xlPaperA3;//设置纸张大小

xSt.PageSetup.Zoom = Zoom; //缩放比例

xSt.PageSetup.Orientation = Excel.XlPageOrientation.xlLandscape;//横向打印    xlPortrait1-纵向,2-横向;

xSt.PrintOut(oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing);

xBk.PrintOut(oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, oMissing); // 打印:

// xBk.PrintPreview(oMissing);//打印预览

xBk.Close(null, null, null);

excelKccx.Workbooks.Close();

excelKccx.Application.Quit();

excelKccx.Quit();

System.Runtime.InteropServices.Marshal.ReleaseComObject(excelKccx);

GC.Collect();//强行销毁

}

catch

{

GC.Collect();//强行销毁

};

}

}

}